benghazi hearings, she will be many coing back this week. looking forward to work and ready to testify up on capitol hill. so all of that will be on hold obviously until they figure out what's going on. >> keep us posted for certain. we expect the best. back in 1998 she call it a blood clot and called it one of the scariest mediciedical experienc her life. >> if you had one before, you are at higher risk, and if you travel a lot, the blood flow may be compressed, benning your legs like that, and with the concussion, one of the things she was told was to rest. not easy for her to do, i can tell you for a fact. that may be part of the inactivity. >> and we don't know what the cause is. back in 1998, it was deep vain thrombosis. >> dvt, a clot in one of the leg veins, in and of itself, not a problem, but it can break off and go to the lungs, called a pulmonary embolism, she is on blood thinners, and you treat the brain clot. this is within one of the blood vessels in her legs. they haven't told us. >> what do they do about this? once you have h